The question of faithfulness and the boundaries regarding this notion often crop up in relationships, and aren't just exclusively reserved for new couples. We all have different opinions on what constitutes betraying our partner's trust, but does flirting really make the list? After all, we all like a few spicy thrills in our lives, regardless of whether we're taken or not. Making eyes at George, another parent at my kid's school, when I drop them off in the morning is part of my daily routine, so is that really classed as being unfaithful or not? The answer is simple: it depends!